<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../../js/jquery-1.11.3.js"></script>
</head>
<body>
<input type="button" value="请求">
<div class="js_head">

</div>

<script>
    $(function(){
       $.ajax('c.html',{
           type:'get',//默认情况下j get
           data:{
               username:'frank',
               age:19
           },
           dataType:'xml',
           success:function(data){
               console.log(data);
           }
       })
    });
</script>


</body>
</html>